118 TASCAM DM-4800 User’s Manual9 – SpecificationsThis section provides technical and reference information about the DM-4800, together with a list of messagesyou may see on the display of the DM-4800 and instructions about how to respond to them.Analog audio I/OAll specifications are given with the factory refer-ence level of –16dBFS.MIC inputs (channels 1 through 24) Balanced XLR-type female connectors aAdjustable input level: (–60 dBu (TRIM max) to –4dBu (0dB pad))(–40 dBu (TRIM max) to +16 dBu (–20dB pad))Input impedance 2.2kΩPHANTOM (+48V) +48V phantom power. Switchable in blocks of 4 channels(1–4, 5–8, 9–12, 13–16. 17–20, 21–24)LINE IN (BAL) inputs (channels 1 through 24) Balanced 1/4” jacks bAdjustable input level (–44dBu (TRIM max) to +12dBu (TRIM min))Input impedance 10kΩINSERT connections (channels 1 through 24) 1/4” TRS jacks cSend: nominal output level –2dBu, maximum output level +14dBu, impedance100ΩReturn: nominal input level –2dBu, headroom 16dB, impedance 10kΩASSIGNABLE RETURNS (BAL) (1 through 8) Balanced 1/4” jacksNominal input level: +4dBuHeadroom: 16dBInput impedance: 5kΩASSIGNABLE SENDS (1 through 8) Pseudo-balanced 1/4” jacksNominal output level: –2dBuMaximum output level: +14dBuOutput impedance: 100Ω2 TR IN (L/R) 2 x RCA pin jacksNominal input level –10dBVHeadroom: 16dBInput impedance: 10kΩSTEREO OUTPUT (L/R) Balanced XLR-type male connectorsNominal output level: +4dBuMaximum output level: +20dBuOutput impedance: 100ΩMONITOR OUTPUTS (LARGE (BAL) &SMALL (BAL))Balanced 1/4” jacks (2 pairs)Nominal output level: +4dBuMaximum output level: +20dBuOutput impedance: 100ΩMONITOR OUTPUTS (STUDIO) Pseudo-balanced 1/4” jacksNominal output level: –2dBuMaximum output level: +14dBuOutput impedance: 100ΩPHONES 2 x 1/4” stereo jacks50 mW + 50 mW total d32Ωa. all XLR-type connectors are wired 1=ground, 2=”hot”, 3=”cold”b. all balanced 1/4” jacks are wired sleeve=ground, ring=cold, tip=hotc. all TRS 1/4” jacks are wired sleeve=ground, ring=return, tip=sendd. Maximum with both PHONES jacks driven at maximum