Todays deals on Power Amps?

Amplifier Research 100W1000M1 Power Amp, 80 – 1000 MHZ, 100W $24,995.00

4139 POSITIONER CONTROLLER WITH POWER AMPLIFIER UNIT $23,999.99

Ophir 5061 Broadband Power Amplifier, 0.8 – 4.2 GHz, 50W $19,085.00

Amplifier Research 50W1000B Power Amp, 1 – 1000 MHZ, 50W $16,795.00

Hewlett Packard ( HP )/ Agilent 83020A Microwave System Power Amp 2-26.5 GHz $13,495.00

Clinton Power 8000 Amp 12 Volt 480 Input Rectifier (R2154) $12,475.00

Electronics & Innovation 525LA POWER AMPLIFIER $10,995.00

ENI 5100L-NMR 1.5-400MHz 100W Power Amplifier $9,999.00

MRI Solid-state, RF Power Amplifier M Model 3445-CW $10,000.00

Amplifier Research 25W1000M7 RF CW Power Amplifier, 1 MHz to 1 GHz, 25 Watts $9,195.00

PST / Comtech AR4819-50 Amplifier, 400 to 1000 MHz, Power System 50W Amp $7,995.00

ENI 1040L Power Amplifier $4,995.00

NF 4520 Power Amplifier $4,439.00

SIEMENS S5 6ES5 955-3LF41 POWER SUPPLY UNIT 5V 8 AMP $4,223.00

ROHDE & SCHWARZ BD IV/V VH602 A2 2082.9000.2 POWER AMPLIFIER MFG RFB NO D.O.A !! $4,000.00

MATCH PAIR BEL 1001 Brown Electronics Lab power amp TAS CLASS A MADE IN USA $3,999.99

GE General Electric SSF16D216 Power Break II 1600Amp 600V W/ D216LSIT1 Trip Unit $3,990.00

GE NEMA1 1600 AMP 120/208 VOLT POWER DISTRIBUTION BOARD $4,000.00

General Electric Power Break TC 2020 SSE1 2000 Amp $3,750.00

1 NIB SQUARE D PGA36080U33A 800 AMP 3P 600VAC I-LINE CIRCUIT BREAKER POWER PACT $3,950.00

DC BATTERY POWER BACKUP CONSOLE 1KS11 288VOLT 77,15AMP $3,200.00

Fluke 5215A power amplifier, calibrated & guaranteed $3,250.00

ENI 240L RF Power Amplifier, 20 kHz to 10 MHz, 40 Watts $3,285.00

RELIANCE ELECTRIC DCS POWER MODULE 803612-SE USPP 460V 219AMP 150HP $2,999.00

Fluke 5205A power amplifier, NIST calibrated & guaranteed $2,995.00

ENI RF POWER AMPLIFIER 1-500MHZ 50dB 25 WATTS LINEAR 525LA (S4-TOP-4) $2,999.99

General Electric 193X803BGG06 Power Amplifier P606 $3,000.00

General Electric 193X711AEG03 Power Amplifier P206 $3,000.00

OFFER & WIN FLUKE 5215A 5215 A PRECISION POWER AMPLIFIER $2,499.00

Amrel PQ100-33 DC Variable High Power Supply 0-100 Volt 33 Amp Current Sorensen $2,499.99

Agilent / HP 6675A 120 V, 18 AMP, Programmable Power Supply $2,495.00

Trek 603-1-L Single Chan. Power Amplifier/ Piezo Driver $2,550.00

Agilent/HP 6032A Power Supply 60 Volts at 50 Amps $2,500.00

TEGAM 2350 High Voltage Precision Power Amplifier, Dual Channel $2,495.00

Ling Dynamic Systems LDS PA100CE Shaker Power Amplifier $2,399.99

Agilent HP N5765A Power Supply 30V, 50AMP $2,325.00

Square D PGA 36100 1000 Amp I-Line Power Pact Breaker $2,250.00

2GHZ POWER AMPLIFIER 1.7-1.9 GHZ 5 WATT HARRIS SD-97882 24 VOLTS $275.00

GE General Electric Power Break TP 2020 SS 2000 Amp L&I $2,000.00

GE General Electric Power Break TPRR 6620 E1 2000 Amp Circuit Breaker $1,900.00

ENI 411LA RF Power Amplifier 10W Linear 150 KHz-300 MHz E&I 411-LA / Warranty $1,999.00

NEW GENERAL ELECTRIC 193X803BBG03 POWER AMPLIFIER $1,950.00

GE POWER AMPLIFIER CARD IC3600APAB1 $1,929.00

KEPCO ATE 25-40M POWER SUPPLY 0-25 VOLT 0-40 AMP $1,799.99

Agilent N5769A 100V 15amp 1500watt 1u DC power supply $1,800.00

MULTI AMP DC POWER SUPPLY $1,800.00

HP Agilent 66000A 4 66104A 0-60VDC 0-2.5Amp DC Variable Power Supply Main Frame $1,499.99

330pcs SAYNO STK4392 2 Channel 15W AF Power AMP $1,500.00

GE Circuit Breaker Switch THPMMF76EI 120 VAC 2500A 2500 Amp Trip Power Break $1,599.99

NEW Okuma bdu-30A OSP 5000 Inductosyn Power Amp $1,349.00

Bosch VM-300 0608 750 083 Power Supply Module 35 Amp $1,500.00

POWER TEN DC POWER SUPPLHY 0-5V,0-365AMP,P62B-5325D $1,499.99

100x 3A 5A 13 Amp 250V Mains Power Shaver Plug Fuse Kit $1,438.01

ENI 310L Power amplifier. 250kHz-110MHz, $1,395.00

ENI 510L RF POWER AMPLIFIER 9.5 WATTS LINEAR $1,399.00

ULN2278B Dual-Channel Power Amplifier LM377N 6700pcs $1,200.00

NEW EMERSON NETWORK POWER HD48100-5, 48V 100Amp $1,200.00

Agilent/ HP 6624A 7/2-20/50 V, 5/2-2/0.8 AMP, Programmable Quad Power Sup $1,250.00

Empower BBS2C4AOW Solid State Broadband High Power Amplifier $1,300.00

AV Cabinet ETA PD8L Pioneer V5000 Crestron Crown Com-tech 210 Extron AAP-202 SW6 $1,276.00

Xantrex XTR 8-100 DC Power Supply, 8 V, 100 AMPS $1,250.00

USED ABB MPS-C-4G Micro Power-Shield 2000 / 4100 Amp Trip Unit 716504-T09 $1,250.00

Allen Bradley 1771-P2 Power Supply Module 6.5 Amp PLC-5 $1,200.00

HP Agilent 6652A 20v / 25 amp power supply -CALIBRATED- $1,100.00

USED ABB MPS-C-5G Micro Power-Shield 800 / 1600 Amp Trip Unit 716505-T03 $1,150.00

CD Technologies AGM 25 Modular Power Shelf 22.5 Amp $1,100.75

NUDRIVE 3 AXIS POWER AMPLIFIER AND INTERFACE $1,099.99

LEX Power Parallel Distribution Unit 100 amp 3 Phase DB100-TRN1002 Outdoor Use $999.99

ADEPT TECH/TECHNOLOGY 10338-53005 POWER AMP MOD C ***XLNT*** $1,079.00

AV Cabinet ETA PD11LV Pioneer DVD-V5000 crestron Extron AAP-301 Ashly SRA-120 $1,100.00

AV Cabinet ETA PD8l Pioneer V5000 crestron Extron AAP-202 crown com-tech 210 SW6 $1,100.00

NF EA-2100S Power Amplifier / Endverstärke $499.00

LAMBDA 0 – 20 Volt 0 – 750 Amp DC POWER SUPPLY $950.00

Bruel & Kjaer Power Amplifier Type 2707 $795.00

Kepco BOP Variable DC AC Bipolar Opamp Operational Amp Power Supply 20-10M NICE $999.99

Reliance 50 Amp Power Supply 45C322 $1,075.00

480volt 3-phase power 277volt electrical meter200amps $1,000.00

Agilent /HP 6034A 60 V, 10 AMP, Autoranging Power Supply $995.00

Agilent / HP 6034L 60 V, 10 AMP System Power Supply $995.00

Bruel & Kjaer WQ1105 Power Amplifier – calibrated! $899.00

STENTOR Norway L-6071 L6071 Amplifier? Power Supply Amp $990.00

KAWASAKI SERVO AMP CONTROLLER POWER PACK No. 50607-1090 -NEW- $995.00

KEPCO ATE 6-25DM 0-6V POWER SUPPLY 0-25 AMPS $999.00

JUMO TYA-110/3,150, 230 TR THYRISTOR POWER UNIT CONTROL 70/00303223 150AMP NEW $999.99

LOUIS ALLIS 46S1306-0010 POWER AMPLIFIER 46S13060010 $1,000.00

20 Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor $999.99

20 Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor $999.99

20 Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor $999.99

20 Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor $999.99

20,Toshiba NPN 2SC2879 C2879 Power Amplifier Transistor $999.00

ENI 503L RF Power Amplifier 3 Watts Linear Free Shipping $995.00

Agilent/HP 6268B 40 V, 30 AMP, Used Power Supplies $895.00

SIEMENS SITOP 20 POWER SUPPLY 6EP1436-1SH01 24VDC 20 AMP *NEW* $980.00

Tektronix AM503B Current Probe Amp &TM502A Power Module Partial AM503S Amplifier $945.99

Tektronix AM503B Current Probe Amp &TM502A Power Module Partial AM503S No Probe $920.99

NIB VICKERS POWER AMPLIFIER 02-326018 EEA PAM 581 A 32 $890.00

Allen Bradley 1771-P7 Power Supply Module 16amp PLC-5 $899.00

KIKUSUI PAD 35-10 REGULATED DC POWER SUPPLY 35V 10AMP $688.00

ABB PROCESS TAYLOR POWER SUPPLY 6026NZ10700A-US92220003 12 Amp $700.00

VICKERS EEA-PAM-561-A-32 VALVE POWER AMP BOARD QUANTITY!!! $799.99

Power Amps Questions

Guitar Amps Are an Excellent Value Due to Increasing Technology

In my opinion guitar amps, bass guitar amps and amplifiers for musical purposes have evolved at such a rapid rate in the last couple of years that GPC considers a guitar amplifier one of the few guitar related items that is a better value than ever.

The constant breakthroughs in terms of technology and built in features now incorporated into many amps are great for the consumer in terms of cost. It also makes it easier to decide the whole vibe of what amp, effects gear or modeling equipment to haul around with you to a jam session or a gig a lot easier decision to make in most cases.

Except for the diehard guitarist. And there is lots of excellent competition in the field of amps nowadays.

In the beginning all amplifiers were powered by vacuum tubes the same technology was used in most home stereos, radios and televisions until the mid-1960s. Tubes created all the great sounds that we learned to associate with electric guitar music. But by the mid seventies solid state technology was starting to sway much of the market with new amps that could produce great volume with little or no distortion and required no maintenance with more durability.

Note: The term valve is the same thing as a vacuum tube in amplifier speak.

Most of the modern designs are called hybrid, which means there is a tube/s in the preamplifier section, and the power amplifier section uses solid state circuitry for its power supply. In my opinion an overdriven preamplifier tube definitely sounds better than the popular pure solid state overdrive circuits, however, it does not sound as deep and warm as a full tube powered amplifier to me. The opinion at GPC is that the hybrids are a real breakthrough in terms of getting quality sound using tubes and solid state circuitry in harmony to get the great tube sound and solid state reliability every body wants in one cabinet.

Take it a step further to built in Digital Modeling. Another field gaining steam fast is digital modeling amps. Great for the home player or fantastic for the studio artist. The Fender Super Champ XD Guitar Combo is a super deal for the money with a power output of 15W RMS into 8 ohms, one 12AX7 and two 6V6 tubes, one 1 8 ohm Fender Special Design speaker and a voicing knob with 16 different preamp voices emulates perfectly any style of music and it has 16 different effects built in to it with an effects level control knob. The convenience of changing your sound on the fly keeps your focus on playing the guitar.

Other amplifiers such as the Fender Cyber Twin SE Amp and the Vox Valvetronix AD50VT 50w 12 Guitar Combo cost more but are similar or better in most cases due to cost and intended usage. I would recommend the more expensive models for professionals or hi end players. They provide the same amazing versatility at a higher price. The main reason for a bigger amp would be a larger venue, not necessarily sound quality.

Some of the modern features include, in addition to simulating many popular amplifier sounds, entirely new ones can be created and saved and can be looped to play over and over. It is important to mention that you can still buy an amplifier without all of the high tech built in features and add the equipment you prefer.

Not mentioning the new line of practice amps would be a disservice. The Fender G-Dec is so popular now that it comes in several models and It packs amp modeling, guitar effects, a drum machine, MIDI synth, and phrase sampler into one combo amp. It is set up to be your own personal backing band, ready and waiting for you to step up and play.
You can actually hear sound bites from different amp settings here under sound clips. Another example of using the internet to choose and purchase your guitar equipment. GPC highly recommends the G-Dec for beginners especially. I am not a beginner but I have an original G-DEC and use it to practice with very often due to it’s small size, versatility and simplicity of use.

The newer amplifier combos are very encouraging and very usable in live or recording studio situations. The versatility alone makes these systems almost a natural choice for musicians who need to cover a wide range of amplifier sounds and digital effects with a single setup, for example if you play covers, or need to record quickly and can not afford to waste studio dollars connecting different amps and cabinets.

Realistically speaking, lots of people can’t hear the difference between hybrid amps or full tube amps. Personally, the hybrid amps sound so good that unless one is a professional guitar player with unusual demands or you like to use the extra gear as many guitarists still prefer, the future of hybrid amps and amps with built in processing equipment looks bright and encouraging. GPC always recommends getting the best amp you can afford. Don’t buy the cheapest one if you can avoid it. Take advantage of free shipping, the lowest possible legal prices and a 45 day return policy. You may even qualify for an no interest for one year credit card. Why not shop at home and save your time and gas from now on? Of course if your giving a gift and not sure what to get, buy a gift certificate. Every guitar player loves a gift certificate.

A question worth pondering. How does a self tuning guitar react when you bend a note? Let me know if you have an answer, or I’ll have to find out myself.

About the Author

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