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Crazy drummer from Philadelphia Grand Jury.

July 12, 2018. Photos by Mike Emigh. Kexp gathering space.

July 12, 2018. Photos by Mike Emigh. Kexp gathering space.

JCM900 Daul reverb amplifier.

From @ITURFElectronic: #myPCB 2.1 GHz 10W GaN Power Amplifier

Amplifier/Receiver. Connects to TV, DVD player etc. and includes a tuner for radio reception.

 

20$

 

It will be available for pickup on Dec. 13th.

 

© Nick Hicken. NO publishing, use or re-distribution of this image without written permission.

 

Taken as part of Unit 2, AS Photography. Music

July 12, 2018. Photos by Mike Emigh. Kexp gathering space.

LAPA4755-KIT

using LM4775 IC made by NSC

2W+2W stereo power amplifier kit

can make phones easier to hear for the hard of hearing

This is absolutely built for commercial applications. It is rated continuous duty which is something not common in todays line of linear amplifier, particularly for the VHF region of 144 Mhz

The 411LA produces 10 Watts of Class A linear power over the frequency range of 150 KHz to 300 MHz with low harmonic distortion. Operation over the entire frequency band is possible without the need for any switching, it is true instantaneous bandwidth. The unit is rated at 40 dB gain with a typical gain flatness of +/- 2.5 dB

 

www.eandiltd.com

my second diy audio amp

fundamental design using pre-amp and power-amp

Manchester stoner-rock duo Amplifier played a short UK tour which included the Portland Arms in Cambridge. A very disappointing showing sadly, everything merged into one long monotonous dirge for over 2 hours. No light or shade, no real audience chat and not much to look at either. Which is a shame as on record, I like their stuff. Still, as my pizza cost more than the gig ticket, I'm not too unhappy.

LAPA4755-KIT

using LM4775 IC made by NSC

2W+2W stereo power amplifier kit

The amplifier chassis is hinged to the rear of the speaker cabinet. It can be hinged open for servicing or lifted off for more major repairs.

EL34 Home Audio Amplifier, Bluetooth, Loudness Pushbutton

The Quad II amplifier (detail)

July 12, 2018. Photos by Mike Emigh. Kexp gathering space.

Original, mint condition vintage amp. 2 four 12' fain loaded cabinets, and original covers.

 

See more at: centerstagevintageguitars.com/inventory/amps/

Here is a circuit diagram of the amplifier. It's fairly conventional, although it appears the biasing depends on the transistor characteristics.

1 2 ••• 75 77 78 79 80