PGA2311 Volume Control Module

PGA2311 Volume Control Module (fully built and tested)

PGA2311UA - SMT, stereo version - U$89
PGA 2311UA - SMT balanced version - U$129
PGA 2311PA - through hole version - add U$10

Features

• PGA2311 version 10 with Panasonic relays
• BB PGA2311 - brand new volume control chip, with internal resistive attenuator network, where under 0dB, the internal OPAMP is not activated, and where over 0dB, the OPAMP starts to work.
• Board settings: -95dB to +31dB, 1dB step
• AC 8V-12Vac input
• Fully regulated with On-Semicon 3-pin regulators. Digital section is powered by MC7805 separately for lowest interference. 
• Digital and analog supplies are decoupled by Philips 104 decoupling capacitors for better noise isolation/separation
• Separate IC for digital and relays control.
• STC15 series of controller is used, with off-power memory storage
• Uses original Panasonic TQ2 relays, lowering the signal loss
• Remote power off module is available for purchase
• Controller board and display board can be connected physically or via cable
• Paired with high quality ALU remote control

Note:
* Limited availability of PGA2311-A version with half the THD.
* Compatible chassis is available - ask us for more details  

Operating instructions:

• Rotate left/right - volume control
• Short press  - channel switch
• Long press (3s) - power ON/OFF
• Long press (10s) - reset to default values
• Short press (during off) - power ON
• Remote - V+/0: volume, CH+/-: channel switch, Power: on/off, DSP: display current input, Mute: mute.
• 0dB = direct through
• Input: CH1, CH2, CH3, CH4
• Mute: ---
• Off: .
• Power on display: PGAVOL

Note: We can do a fully built preamp if you wish. Email us for various available options.