: Renowned for a "warm" and "fleshy" sound with an excellent stereo image and delicate detail recovery.
Non-magnetic surgical stainless steel with 24k gold-plated brass fascia Tube Complement and Layout
| Specification | Value(s) | Key Details | | :----------------------- | :------------------------------------------------------------------------------------------------------------------------------------ | :----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | 2 x 30W continuous (1-16 Ω) | Officially rated at 30W, though some sources measure closer to 25W. This classic tube power is often more than sufficient to drive many speakers. | | Tube Complement | Power: 4 x 6550 or KT88 or KT90 Preamp: 3 x ECC82/12AU7 Phase Splitter: 2 x ECC83/12AX7 | The DA30 has auto-bias for power tubes, making swaps easier. | | Bandwidth (Frequency Response) | 20Hz - 18kHz at -3dB 20Hz - 35kHz at -3dB (as Power Amp) | | | Input Sensitivity | 115mV (Integrated) 320mV (as Power Amp) | | | Input Impedance | 100kΩ (Integrated) >100kΩ (as Power Amp) | | | Power Consumption | 240W - 275W | | | Dimensions (W x D x H) | 48.5 x 37 x 21 cm 50.5 x 22.5(H) x 33(D) cm (Deluxe) | Note the significant difference in reported dimensions; be sure to measure your specific model before placing it. | | Weight | 19 kg - 22 kg | |
What are currently installed in your unit?
Gently but firmly push the valve straight down. Do not rock it excessively. 3. Connections and Operation jadis da30 manual
Check the main AC power fuse. It is located in a small drawer built directly into the IEC power cord socket on the back panel. Always replace it with a fuse of the exact same amperage and blow-rating (typically slow-blow, specified on the back plate).
Align the center pin orientation guide of the KT88 tubes with the slot in the socket. For the small signal tubes (ECC82/ECC83), carefully align the physical pin pattern before pressing straight down. Connections and Controls
It features the iconic gold-plated stainless steel chassis and high-quality transformers that Jadis is known for, providing exceptional structural integrity and electrical shielding. 2. Jadis DA30 Specifications
Use a dry, ultra-soft microfiber cloth to wipe away dust and fingerprints. : Renowned for a "warm" and "fleshy" sound
Original printed manuals occasionally appear on sites like eBay or Reverb , usually bundled with used units.
Swap the small ECC82 or ECC83 tubes from the left channel to the right channel. If the noise moves to the other speaker, the tube is faulty and must be replaced. One Channel is Dead
The new owner was thrilled until he realized the . In the pre-internet era, this was a crisis. Jadis is notoriously protective of its designs, often refusing to share schematics even with professional technicians. Without the manual, the owner didn't know the crucial biasing procedure —a delicate process for this specific model that ensures the tubes don't "drift" or, in worst-case scenarios, produce "big smoke".
If the amplifier fails to turn on, check the rear panel fuse. If a replacement fuse blows immediately, a power tube has failed and must be replaced. | | Tube Complement | Power: 4 x
Connect your line-level sources (CD player, DAC, streamer, or external phono stage) to the gold-plated RCA inputs on the rear panel. Select the appropriate input using the front-panel source selector dial. Operation Instructions Powering On (The Warm-up Sequence)
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To get the most out of your Jadis DA30, here are some tips that you might find useful:
This is the most critical maintenance aspect of the Jadis DA30.
The DA30 is known for its excellent matching with high-sensitivity speakers, but its robust power supply allows it to drive lower-efficiency speakers in moderate-sized rooms with ease.